81440856

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:966

約数の個数: 128

約数和(自身を含む): 263078400

約数和(自身を除く): 181637544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 72, 84, 108, 122, 126, 168, 183, 189, 216, 244, 252, 366, 378, 427, 488, 504, 549, 732, 756, 854, 883, 1098, 1281, 1464, 1512, 1647, 1708, 1766, 2196, 2562, 2649, 3294, 3416, 3532, 3843, 4392, 5124, 5298, 6181, 6588, 7064, 7686, 7947, 10248, 10596, 11529, 12362, 13176, 15372, 15894, 18543, 21192, 23058, 23841, 24724, 30744, 31788, 37086, 46116, 47682, 49448, 53863, 55629, 63576, 74172, 92232, 95364, 107726, 111258, 148344, 161589, 166887, 190728, 215452, 222516, 323178, 333774, 377041, 430904, 445032, 484767, 646356, 667548, 754082, 969534, 1131123, 1292712, 1335096, 1454301, 1508164, 1939068, 2262246, 2908602, 3016328, 3393369, 3878136, 4524492, 5817204, 6786738, 9048984, 10180107, 11634408, 13573476, 20360214, 27146952, 40720428, 81440856]

約数ペア:

[(1, 81440856), (2, 40720428), (3, 27146952), (4, 20360214), (6, 13573476), (7, 11634408), (8, 10180107), (9, 9048984), (12, 6786738), (14, 5817204), (18, 4524492), (21, 3878136), (24, 3393369), (27, 3016328), (28, 2908602), (36, 2262246), (42, 1939068), (54, 1508164), (56, 1454301), (61, 1335096), (63, 1292712), (72, 1131123), (84, 969534), (108, 754082), (122, 667548), (126, 646356), (168, 484767), (183, 445032), (189, 430904), (216, 377041), (244, 333774), (252, 323178), (366, 222516), (378, 215452), (427, 190728), (488, 166887), (504, 161589), (549, 148344), (732, 111258), (756, 107726), (854, 95364), (883, 92232), (1098, 74172), (1281, 63576), (1464, 55629), (1512, 53863), (1647, 49448), (1708, 47682), (1766, 46116), (2196, 37086), (2562, 31788), (2649, 30744), (3294, 24724), (3416, 23841), (3532, 23058), (3843, 21192), (4392, 18543), (5124, 15894), (5298, 15372), (6181, 13176), (6588, 12362), (7064, 11529), (7686, 10596), (7947, 10248)]